What is the cheapest airline that flies from Seoul Gimpo Intl to Seattle/Tacoma Intl?

EVA Air and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to Seattle/Tacoma Intl

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$467 Cheap Flights from Seoul Gimpo Intl Airport to Seattle in 2025/26

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Find the cheapest flights from Seoul Gimpo Intl Airport to Seattle

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 am - 1:20 pmGMP-SEA

22h 35m1 stop

10:05 am - 10:30 pmSEA-GMP

19h 25m2 stops

$857ANA

Find Deal

seg, fev 2 - seg, fev 9

12:25 pm - 1:20 pmGMP-SEA

17h 55m1 stop

10:05 am - 10:30 pmSEA-GMP

19h 25m2 stops

$858ANA

Find Deal

ter, fev 10 - seg, fev 23

12:25 pm - 7:16 pmGMP-SEA

23h 51m2 stops

3:45 pm - 11:20 amSEA-GMP

26h 35m1 stop

$859ANA

Find Deal

seg, dez 15 - qua, dez 31

12:25 pm - 1:20 pmGMP-SEA

17h 55m1 stop

3:45 pm - 11:20 amSEA-GMP

26h 35m1 stop

$888ANA

Find Deal

sex, fev 6 - qua, fev 18

7:50 pm - 1:20 pmGMP-SEA

34h 30m1 stop

3:45 pm - 11:20 amSEA-GMP

26h 35m1 stop

$890ANA

Find Deal

dom, fev 1 - seg, fev 2

2:00 pm - 3:01 pmGMP-SEA

17h 01m2 stops

10:05 am - 10:25 pmSEA-GMP

20h 20m2 stops

$936Multiple Airlines

Find Deal

seg, mar 9 - seg, mar 23

7:40 pm - 9:55 amGMP-SEA

31h 15m1 stop

1:30 pm - 9:50 pmSEA-GMP

16h 20m1 stop

$957Japan Airlines

Find Deal

dom, fev 1 - qui, abr 2

8:00 am - 9:55 amGMP-SEA

18h 55m1 stop

12:30 pm - 10:05 pmSEA-GMP

16h 35m1 stop

$963Japan Airlines

Find Deal

sex, fev 13 - sáb, fev 21

1:50 pm - 6:10 pmGMP-SEA

21h 20m1 stop

12:10 am - 12:50 pmSEA-GMP

19h 40m1 stop

$1,004EVA Air

Find Deal

sáb, jan 17 - qui, fev 5

8:50 am - 7:16 pmGMP-SEA

27h 26m2 stops

9:00 pm - 10:05 pmSEA-GMP

32h 05m2 stops

$1,040Multiple Airlines

Find Deal

qua, fev 11 - dom, fev 22

Japan Airlines flights from Seoul Gimpo Intl Airport to Seattle

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to Seattle flight tickets

Japan Airlines

Feb 1

GMP7:40 pmSeoul Gimpo Intl

31h 15m

1 stop

SEA9:55 amSeattle/Tacoma Intl

Apr 2

SEA1:30 pmSeattle/Tacoma Intl

16h 20m

1 stop

GMP9:50 pmSeoul Gimpo Intl

$957

Find similar

Japan Airlines

Feb 13

GMP8:00 amSeoul Gimpo Intl

18h 55m

1 stop

SEA9:55 amSeattle/Tacoma Intl

Feb 21

SEA12:30 pmSeattle/Tacoma Intl

16h 35m

1 stop

GMP10:05 pmSeoul Gimpo Intl

$963

Find similar

Japan Airlines

Nov 12

GMP12:05 pmSeoul Gimpo Intl

14h 45m

1 stop

SEA9:50 amSeattle/Tacoma Intl

Nov 19

SEA12:10 pmSeattle/Tacoma Intl

16h 55m

1 stop

GMP10:05 pmSeoul Gimpo Intl

$1,374

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ANA flights from Seoul Gimpo Intl Airport to Seattle

Our best ANA deals on Seoul Gimpo Intl Airport to Seattle flight tickets

ANA

Feb 2

GMP7:45 amSeoul Gimpo Intl

22h 35m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Feb 9

SEA10:05 amSeattle/Tacoma Intl

19h 25m

2 stops

GMP10:30 pmSeoul Gimpo Intl

$857

Find similar

ANA

Feb 10

GMP12:25 pmSeoul Gimpo Intl

17h 55m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Feb 23

SEA10:05 amSeattle/Tacoma Intl

19h 25m

2 stops

GMP10:30 pmSeoul Gimpo Intl

$858

Find similar

ANA

Dec 15

GMP12:25 pmSeoul Gimpo Intl

23h 51m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

Dec 31

SEA3:45 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:20 amSeoul Gimpo Intl

$859

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

seg 2/2

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

seg 2/9

10:05 am-10:30 pm

2 stops19h 25m

$857

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

ter 2/10

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

seg 2/23

10:05 am-10:30 pm

2 stops19h 25m

$858

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

seg 12/15

12:25 pm-7:16 pm

2 stops23h 51m

Seattle/Tacoma Intl

qua 12/31

3:45 pm-11:20 am

1 stop26h 35m

$859

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

sex 2/6

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

qua 2/18

3:45 pm-11:20 am

1 stop26h 35m

$888

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

dom 2/1

7:50 pm-1:20 pm

1 stop34h 30m

Seattle/Tacoma Intl

seg 2/2

3:45 pm-11:20 am

1 stop26h 35m

$890

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

seg 3/9

2:00 pm-3:01 pm

2 stops17h 01m

Seattle/Tacoma Intl

seg 3/23

10:05 am-10:25 pm

2 stops20h 20m

$936

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

dom 2/1

7:40 pm-9:55 am

1 stop31h 15m

Seattle/Tacoma Intl

qui 4/2

1:30 pm-9:50 pm

1 stop16h 20m

$957

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

sex 2/13

8:00 am-9:55 am

1 stop18h 55m

Seattle/Tacoma Intl

sáb 2/21

12:30 pm-10:05 pm

1 stop16h 35m

$963

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

sáb 1/17

1:50 pm-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

qui 2/5

12:10 am-12:50 pm

1 stop19h 40m

$1,004

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

qua 2/11

8:50 am-7:16 pm

2 stops27h 26m

Seattle/Tacoma Intl

dom 2/22

9:00 pm-10:05 pm

2 stops32h 05m

$1,040

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Seoul Gimpo Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $745. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seoul Gimpo Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $924.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Seoul Gimpo Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $788 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $922. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seoul Gimpo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Seattle (GMP to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Seattle

Direct flights	None

There are no direct flights from Seoul Gimpo Intl Airport to Seattle. There are no popular flight routes from Seoul Gimpo Intl Airport to Seattle.

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How far is Seoul Gimpo Intl to Seattle/Tacoma Intl by plane?
The distance between Seoul Gimpo Intl and Seattle/Tacoma Intl is about 5173.4 mi. In terms of flight time, this usually takes a little over 17h 01m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Seattle with flexible booking policies on momondo?

Flights from Seoul to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Seattle.

I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Seoul and alert you when they change.